<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <link rel="stylesheet" href="myExtension.css" />
</head>

<body>
    <div class="history" id="history">
        <h3 align="center" id="historyTitle">bug清单</h3>
        <hr />
        <textarea class="historyContent" id="historyContent">
        </textarea>
        <button id="copy">复制</button>
    </div>
    <script src="myExtension.js"></script>
</body>

</html>